AFFILIATED MANAGERS GROUP, INC. - AMG
All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)?
Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).
Files summary
Total files loaded: 44
Latest filed: Aug 18, 2026
| Form | Count |
|---|---|
| 4 | 28 |
| 144 | 7 |
| 8-K | 5 |
| SCHEDULE 13G | 2 |
| SCHEDULE 13G/A | 2 |
Latest files
| Filed | Form | Report period | Accession | SEC |
|---|---|---|---|---|
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001004434-26-000099 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001004434-26-000100 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001004434-26-000101 | View |
| Aug 18, 2026 | 4 | Aug 15, 2026 | 0001004434-26-000102 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000080 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000082 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000084 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000086 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000088 | View |
| Aug 03, 2026 | 4 | Jul 30, 2026 | 0001004434-26-000090 | View |
| Jul 30, 2026 | 8-K | Jul 30, 2026 | 0001628280-26-050793 | View |
| Jun 30, 2026 | 144 | — | 0001950047-26-006638 | View |
| Jun 15, 2026 | 4 | Jun 12, 2026 | 0001004434-26-000068 | View |
| Jun 09, 2026 | 8-K | Jun 09, 2026 | 0001193125-26-263845 | View |
| Jun 08, 2026 | 4 | Jun 08, 2026 | 0001004434-26-000065 | View |
| Jun 08, 2026 | 144 | — | 0001950047-26-005743 | View |
| Jun 03, 2026 | 4 | Jun 01, 2026 | 0001004434-26-000062 | View |
| May 28, 2026 | 8-K | May 27, 2026 | 0001193125-26-245324 | View |
| May 08, 2026 | 4 | May 06, 2026 | 0001004434-26-000058 | View |
| May 08, 2026 | 4 | May 08, 2026 | 0001004434-26-000059 | View |
| May 08, 2026 | 144 | — | 0001950047-26-004237 | View |
| May 06, 2026 | 4 | May 06, 2026 | 0001004434-26-000053 | View |
| May 06, 2026 | 144 | — | 0001950047-26-004124 | View |
| May 05, 2026 | 4 | May 01, 2026 | 0001004434-26-000051 | View |
| May 01, 2026 | 8-K | May 01, 2026 | 0001628280-26-029094 | View |
| Apr 29, 2026 | SCHEDULE 13G | — | 0002100119-26-000144 | View |
| Apr 28, 2026 | SCHEDULE 13G | — | 0002100121-26-000055 | View |
| Mar 26, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000481 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000019 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000021 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000023 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000025 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000027 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000029 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000031 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000033 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000035 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000017 | View |
| Mar 09, 2026 | 4 | Mar 05, 2026 | 0001004434-26-000015 | View |
| Mar 09, 2026 | 144 | — | 0001950047-26-002349 | View |
| Mar 09, 2026 | 144 | — | 0001959173-26-002074 | View |
| Mar 06, 2026 | 144 | — | 0001950047-26-002306 | View |
| Mar 05, 2026 | SCHEDULE 13G/A | — | 0000102909-26-000333 | View |
| Feb 26, 2026 | 8-K | Feb 22, 2026 | 0001193125-26-076911 | View |